L&T Valves Limited
L&T Valves Limited
Coimbatore, Tamil Nadu
GST No. 33AAACA9647E1ZU
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L&T Butterfly Valves

Pioneers in the industry, we offer l&t aquaseal max fabricated steel butterfly valves, l&t triple offset butterfly valves and l&t aquaseal elastomer lined butterfly valves from India.

L&T Aquaseal Max Fabricated Steel Butterfly Valves

L&T Aquaseal Max Fabricated Steel Butterfly Valves
  • L&T Aquaseal Max Fabricated Steel Butterfly Valves
  • L&T Aquaseal Max Fabricated Steel Butterfly Valves
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Approx. Price: Rs 2,500 / UnitGet Latest Price
Product Brochure

Product Details:

MaterialSeat options: Nitrile Rubber, EPDM, Viton Carbon Steel IS 2062, A 516 Gr.70, SS 304, SS 316
BrandL&T
Usage/ApplicationWater distribution systems
PressurePN6, PN10, PN16
Valve Size6" to 120" (150 mm to 3000 mm)
Weight72 kg to 17840 kg
Design StandardAWWA C 504,AWWA C 516,EN 593,ISO 5752
Seat OptionsNitrile Rubber,EPDM,Viton

Aquaseal Max is a fabricated steel butterfly valve developed as an alternate for cast iron butterfly and sluice valves in water distribution systems. The highly reliable valve also finds application in power plants, utility and fire water lines, and HVAC systems. Customised Aquaseal Max can be used to handle air, gases and vacuum services. The valve has successfully under gone Proof of Design (POD) test as per AWWA C 504 and AWWA C 516.

Self-energising Disc Seal
The most unique feature of Aquaseal Max is Autoseal (A), a self-energising disc seal that performs consistently over a wide range of pressures without any adjustment. A retainer ring (B) bolted directly to the disc (C) holds the resilient Autoseal in place. In closed position, line pressure forces Autoseal against the body seat (D) to obtain bi-directional bubble-tight sealing.

Benefits of Autoseal
  • High integrity sealing, Aquaseal Max is suited for vacuum services 
  • Lower break torque - Saving in valve automation costs
  • Easy to replace at site

Lighter and Stronger Construction
Aquaseal Max body, fabricated from carbon steel plates, has better mechanical and structural properties compared to a cast iron body of the same size and pressure rating. The body also handles piping stresses and misalignments better. Being lighter, the valve is easier to handle, and requires less piping supports, and thus reduces valve installation cost considerably.

Assured Sealing to Atmosphere
Double O-Rings on the shaft provide reliable sealing to atmosphere. Unlike gland packing, this arrangement does not require any maintenance.

Lower Torque, Longer Life
The shaft is offset from the seat plane to provide uninterrupted seating surface through 360 degrees. The offset also ensures that disc loses contact with the seat at crack open, and thereby reduces friction and operating torque.

Maintenance-free Bearings
Self-Lubricated bearings are provided on the shafts. 

Note: Mentioned price is a basic price. Prices varies based on size, class and material.
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L&T Triple Offset Butterfly Valves

L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
  • L&T Triple Offset Butterfly Valves
Get Best Quote
Approx. Price: Rs 1,350 / UnitGet Latest Price
Product Brochure

Product Details:

BrandL&T
MaterialCarbon steel, stainless steel and alloy steels
Size3" to 100" (80 mm to 2500 mm)
Valve TypeButterfly
Usage/ApplicationWater industry
ASME ClassClass 150 to 1500
Design StandardAPI 609 Cat B
ActuatorsAvailable in Electric, Pneumatic and Hydraulic
Temperature Range-196 deg C to 538 deg C

Beyond Standards :
  • Design complies to API 609
  • Valves offered with API 609 monogram
  • Wide portfolio of Short-pattern and Long-pattern valves
  • Design Validation Test - 12” Class 150 valve successfully completed 10,000 cycles
  • Fugitive emissions - Complies to ISO 15848-1 Endurance Class CO2 and Tightness class AH
  • Fire safe by design and complies to API 607/ ISO 10497 (preferred and non-preferred direction)
  • API RP 591 test conducted on 12” Class 150 TOBV at Element Lab, USA
  • CE Marking - Meets requirements of Pressure Equipment Directive 2014/68/EU, Annexure III, Module H
  • PED Module B1 Design examination certificate (certified by DNV) available
  • Atex - Meets requirements of Atex Directive 94/9/EC (ATEX), category 2 non-electrical equipment
  • SIL3 Safety Integrity Level to IEC 61508

Features that Add Value :
  • Triple-offset Geometry minimises seat-seal contact – lower operating torque and cost of ownership
  • Compact and light weight as compared to gate valves of the same size
  • Hard faced in-situ body seat and flexible laminar seal ensure bubble tight sealing
  • Single piece Anti blow out shaft
  • Disc contour ensures minimum turbulence and pressure drop
  • Retainer bolting complies to ASME Section VIII Div 1 Appendix 2

Versatile Solutions :
  • Options: High Temperature, Cryogenic, FBE-lined, Steam-jacketed
  • In-house Tests Capabilities - Cryogenic Test, Pipe Bending Test, Vacuum Test and Fast Closure Test
  • ValvTrac™ RFID tags for reliable digital traceability

Note: Mentioned price is a basic price. Prices varies based on size, class and material.
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L&T Aquaseal Elastomer Lined Butterfly Valves

L&T Aquaseal Elastomer Lined Butterfly Valves
  • L&T Aquaseal Elastomer Lined Butterfly Valves
  • L&T Aquaseal Elastomer Lined Butterfly Valves
  • L&T Aquaseal Elastomer Lined Butterfly Valves
  • L&T Aquaseal Elastomer Lined Butterfly Valves
  • L&T Aquaseal Elastomer Lined Butterfly Valves
  • L&T Aquaseal Elastomer Lined Butterfly Valves
  • L&T Aquaseal Elastomer Lined Butterfly Valves
  • L&T Aquaseal Elastomer Lined Butterfly Valves
Get Best Quote
Approx. Price: Rs 1,100 / UnitGet Latest Price
Product Brochure

Product Details:

BrandL&T
MaterialCast Iron, SG Iron, Carbon Steel, SS 304/ CF8, SS 316/ CF8M
Size2" to 36" (50 mm to 900 mm)
Pressure RatingPN10, PN16, PN25, Class 150
Design StandardAPI 609 Cat A, EN 593 (BS 5155), MSS SP 67
Body StyleWafer, Lugged, Flanged, Fabricated
Elastomer OptionsBlack/ White Nitrile, EPDM, Viton, Hypalon, Silicon

L&T Valves manufactures Aquaseal Elastomer-lined Butterfly Valves in a variety of pressure classes, body styles, materials and actuation options to meet myriad requirements in process and utility lines.


At the core of L&T Aquaseal Butterfly Valve is an in-situ moulded integral elastomer seat that provides better performance and longer service life compared to valves with loose liners.


Aquaseal requires no maintenance, and is a truly fit-and-forget valve.


Salient Features:
  • Enhanced reliability, Longer service life
  • Tight sealing, Consistent low torque
  • Assured shaft sealing
  • One-piece blowout-proof Shaft
  • Reliable Drive - Positive shaft-disc connection
  • Lower resistance to flow - Contoured disc
  • Ease of installation
  • Integral actuator mounting platform

Versatile Range:
  • Specials: Long Neck, Extended Stem

Note: Mentioned price is a basic price. Prices varies based on size, class and material.
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Raghu Prasad (Sr. Engineer)
L&T Valves Limited
L&T Campus - Sector W2, L&t Bypass Road, Po Box 4440, Malumichampatti
Coimbatore - 641050, Tamil Nadu, India


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